How Warren Buffett lost $1 billion – USA TODAY

How Warren Buffett lost $1 billionUSA TODAYWith the first quarter of 2014 officially closed, one stock in the portfolio of Warren Buffett's Berkshire Hathaway (BRK-A, BRK-B) sunk the value by $1 billion. And which one it is will surprise you. The one tough start to 2014. Coca-Cola (KO) watched …